Diketahui: [tex]f(x) = 2{x}^{2} - 3x + 1 \\ g(x) = x - 1 \\ (fog)(x) = 0[/tex] Tentukanlah x = Mohon Bantuannya!

f {g (x) }
= f { x -1)
= 2 (x-1)^2 -3(x -1) + 1
= 2x^2 -4x +2-3x +3+1
= 2x^2 - 7x +6
2x^2 -7x +6 = 0
(2x - 3)(x -2)= 0
2x -3 = 0 atau x -2=0
x = 3/2 atau x = 2